Marna R. Greenberg, DO, MPH headshot

Marna R. Greenberg, DO, MPH

Vice Chair, Research

Emergency Medicine

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Monday - Friday: 7 a.m. – 8 p.m.
Saturday: 9 a.m. – 5 p.m.

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About Dr. Greenberg

Philosophy of care

I am a very holistic physician. The mind, body and spirit are all intertwined and health can be impacted by dysfunction of any individual part. In my experiences, even as an emergency physician, I find it rare that better health is found by testing or prescribing controlled substances.

Why I entered medicine

From my earliest recollection, I wanted to be a physician. In the 1960's it was not a popular career aspiration for women, and I was told by a middle school guidance counselor that I should pick another area of interest - because it was easier for men to "do that kind of work." It probably was that advice that I shouldn't or couldn't be a physician that drove me to success and accomplishment. I was lucky to be accepted into an emergency medicine residency, which was a new specialty at the time and it has been a good fit for me as a career.

Community involvement

I am a local spokesperson for raising awareness for the prevention of cardiac disease. In particular, I regularly participate in programs to help women understand their personal risk.I also serve as medical director for a non-profit called Amigos de Guatemala. This group works to improve the health care of individuals in the remote area of Monte Margerita, Guatemala.

Personal interests

I have four children, and most of my free time is invested in supporting their activities and growth.


Phillips University, BA - Bachelor of Arts, 1982

Medical Training
Oklahoma College of Osteopathic Medicine, DO - Doctor of Osteopathy, 1986

Johns Hopkins University - Bloomberg School of Public Health, MPH - Master of Public Health, 2009


Internship 1987
Enid Regional Hospital, Enid, OK

Residency 1988
Emergency Medicine, Delaware Valley Medical Center, Langhorne, PA

Residency 1989
Emergency Medicine, Delaware Valley Medical Center, Langhorne, PA


American Osteopathic Board of Emergency Medicine - Emergency Medicine
American Osteopathic Board of Family Physicians - Family Practice